Unreal Engine Issues

Key input by Sequencer is missing in FBX output of parent-child actors

This problem did not occur in 4.27.0. Animation is not output when outputting a hierarchical structure. Actor(A) 　　┗Actor(B) 　　　　┗Actor(C) This is how the attachments are registered, and the ke ...

Tangent is divided twice by Decimal Rate when importing animation from FBX in Sequencer

The cause is that the ImportFBXProperty in MovieSceneToolHelpers.cpp is divided by DecimalRate. ArriveTangent = ArriveTangent / ((Key.Time - PrevKey.Time) * DecimalRate); LeaveTangent = LeaveTange ...

Possible crash reimporting destructible assets

This won't always happen, but the call in ImportDestructibleMeshFromApexDestructibleAsset to LODModel.ReleaseResources(); will enqueue render commands to release the resource, but the call after tha ...

Curve interpolation settings are forced to change from User to Break when importing animation from FBX in Sequencer

Due to the following code in [Link Removed] (CL-11585172), it is always set to Break even if the Tangent value is continuous. ArriveTangent = LeftTangent * (ArriveTimeDiff); ... LeaveTangent = Ri ...

Fbx importer create unused material

Incorrect UVs on imported FBX when collapsed

UVs appear to be broken when client file is imported using Collapse by Material or Collapse All.  ...

Missing some UBX collisions after imported from FBX

If move those UBX collision closer to the visual mesh, it kind could fix the problem, but still wondering if it's a bug or limitation; what's the reason behind it and how artist could avoid those pr ...

FBX exporter does not support Level instances

FBX Import for Skeletal Meshes normals not correct

When importing a mesh as skeletal mesh and using any of the MikkTSpace or option to "Import Normals and Tangents" will cause the normals to import incorrectly. If using the Compute Normals or Import ...

FBX Export does not preserve the outliner hierarchy (parenting)